SB2025120849 - Multiple vulnerabilities in 1Panel



SB2025120849 - Multiple vulnerabilities in 1Panel

Published: December 8, 2025

Security Bulletin ID SB2025120849
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities 2
Exploitation vector Remote access
Highest impact Data manipulation

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 2 vulnerabilities.


1) Reliance on Untrusted Inputs in a Security Decision (CVE-ID: CVE-2025-66507)

CWE-ID: CWE-807 - Reliance on Untrusted Inputs in a Security Decision

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green


The vulnerability allows a remote attacker to bypass CAPTCHA.

The vulnerability exists due to an error within the /api/login endpoint, which accepts the boolean field named ignoreCaptcha directly from the client request body. A remote attacker can send a specially crafted HTTP request to bypass CAPTCHA and perform brute-force attacks against the application. 


2) Insufficient verification of data authenticity (CVE-ID: CVE-2025-66508)

CWE-ID: CWE-345 - Insufficient Verification of Data Authenticity

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green


The vulnerability allows a remote attacker to bypass implemented security restrictions.

The vulnerability exists due to the application accepts the X-Forwarded-For HTTP header and trusts information passed through this header. A remote attacker can spoof their IP address and bypass IP-based access controls. 


Remediation

Install update from vendor's website.